FRANK E. GARDNER 223 



33. MuRNEEK, A. E. and Hibbard, A. D., ibid., 50:206 (1947). 



34. Murphy, Lyle M., ibid., 40:42 (1942). 



35. Overholser, E. L., Overley, F. L., and Allmendinger, D. P., ibid., 



42:211 (1943)- 



36. Schneider, G. W. and Enzie, J. V., ibid., 42:151 (1943). 



37. , ibid., 45:63 (1944). 



38. Smith, C. L., ibid., 44:119 (1944). 



39. Southwick, F. W., Edgerton, L. J., and Hoffman, M. B., ibid., 49:26 



(1947)- 



40. , Hoffman, M. B., and Edgerton, L. J., ibid., 51:41 (1948). 



41. Southwick, Laurence, ibid., 40:39 (1942). 



42. , ibid., 42:199 (1943). 



43. , ibid., 44:109 (1944). 



44. Stewart, W. S. and Heild, H. Z., Calif. Citrograph, 34:284 (1949). 



45. Stewart, W. S. and Klotz, L. J., Botan. Gaz., 109:150 (1947). 



46. Stewart, W. S. and Parker, E. R., Proc. Am. Soc. Hon. Sci., 50: 187 



(1947)- 



47. Strickland, A. G., Kemp, H. K., and Beare, J. A., Fruit World and 



Mar\et Grower (Melbourne, Australia), 42:7 (1941). 



48. Thompson, A. H. and Batjer, L. P., Proc. Am. Soc. Hort. Sci., 47:44 



(1946). 



49. Tukey, H. B. and Hamner, C. L., ibid., 46:102 (1945). 



50. Pomeroy, C. S. and Aldrich, W. W., ibid., 42:146 (1943). 



51. Winklepeck, R. L., Hoosier Horticulture, 20:152 (1939). 



